Senior Product Engineer – Backend

At SentiSum, we’re building the AI-native

Voice Of Customer platform,

helping top consumer brands understand why customers churn and what to do about it. We turn noisy support tickets, reviews, chats, and surveys into clear retention signals.

As a

Senior Backend Product Engineer , you’ll play a pivotal role in scaling the systems behind that intelligence, working across data pipelines, event-driven architecture, and product logic to deliver real outcomes. You won’t just build APIs, you’ll help shape features that drive revenue, retention, and product excellence.

What you’ll do

Own and evolve core backend systems, from data ingestion to product logic Design scalable, event-driven services that power real-time insights Work closely with Product, AI, and Frontend to bring new features to life Help simplify architecture, reduce tech debt, and improve performance Contribute to key engineering decisions and mentor where needed

You might be a fit if…

You’ve built and scaled backend systems in a product-led company You have 4-8 years of experience, primarily in product tech companies You care about impact — and think in outcomes, not just endpoints You’re comfortable working across distributed systems and async architectures Bonus: You’ve worked with feedback data, AI/ML, or analytics-heavy platforms

Our stack

Languages : Java, Python Infra : Kubernetes, Kafka, AWS Search & Storage : Elasticsearch, PostgreSQL, S3

Why join us

Work on a product that drives real business impact for customers Small, senior team → high trust, high ownership, no fluff Bootstrapped, profitable, and building for the long term Opportunity to shape the future of AI-native customer intelligence

Salary: 25 lac - 40 lac + bonus + ESOPS